Clear Cache & Cookies:
Sometimes, browser data causes glitches. Try clearing cache or using Incognito/Private Mode.
Theme Code Issues:
If you recently edited your theme code, a small mistake can break functionality.
Go to Online Store Themes Actions Edit Code and check for recent changes or use Actions Edit Code theme liquid and theme js to inspect scripts.
Disable & Re-enable Apps:
Some apps cause conflicts Disable newly installed apps one by one to identify the issue.
Check for JavaScript Errors:
Right-click > Inspect > Console tab in your browser to see if any errors are logged.
Test on a Fresh Theme:
Try switching temporarily to Dawn Shopify’s default theme to see if the issue still occurs.
Check Sales Channel Settings:
Go to Settings Sales Channels and make sure everything is set up correctly especially if the issue is with product visibility checkout, or online store display.
Publish a Backup Theme.